// Copyright (c) 2025 Huawei Technologies Co., Ltd
// Copyright (c) 2019, Facebook CORPORATION.
// All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "csrc/OpApiCommon.h"
#include "csrc/functions.h"
using namespace std;

at::Tensor npu_draw_gaussian_to_heatmap(const at::Tensor& mask, const at::Tensor& cur_class_id, const at::Tensor& center_int, const at::Tensor& radius,
                                        int64_t feature_map_size_x, int64_t feature_map_size_y, int64_t num_classes)
{
    TORCH_CHECK_NPU(mask);
    TORCH_CHECK_NPU(cur_class_id);
    TORCH_CHECK_NPU(center_int);
    TORCH_CHECK_NPU(radius);
    c10::SmallVector<int64_t, 8> heatmap_size = {num_classes, feature_map_size_y, feature_map_size_x};
    at::Tensor heatmap = at::zeros({heatmap_size}, mask.options().dtype(at::kFloat));
    EXEC_NPU_CMD(aclnnDrawGaussianToHeatmap, mask, cur_class_id, center_int, radius, num_classes, feature_map_size_x, feature_map_size_y, heatmap);
    return heatmap;
}
